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ICD 10 Code 0W9H4ZZ

Drainage of Retroperitoneum, Percutaneous Endoscopic Approach
“Drainage of Retroperitoneum, Perc Endo Approach” for short

0W9H4ZZ is a valid billable ICD-10 procedure code for Drainage of Retroperitoneum, Percutaneous Endoscopic Approach. It is found in the 2025 version of the ICD-10 Procedure Coding System (PCS) and can be used in all HIPAA-covered transactions from Oct 01, 2024 - Sep 30, 2025.

Drainage involves:
Taking or letting out fluids and/or gases from a body part. The qualifier DIAGNOSTIC is used to identify drainage procedures that are biopsies

Percutaneous Endoscopic approach involves:
Entry, by puncture or minor incision, of instrumentation through the skin or mucous membrane and any other body layers necessary to reach and visualize the site of the procedure

Drainage includes:

  • Thoracentesis, incision and drainage

Retroperitoneum body part includes:

  • Retroperitoneal cavity
  • Retroperitoneal space
MS-DRG - Medicare Severity-Diagnosis Related Group
  • MDC 05 Diseases & Disorders of the Circulatory System
    Other Circulatory O.R. Procedures
    • DRG 264 - OTHER CIRCULATORY SYSTEM O.R. PROCEDURES
  • MDC 06 Diseases & Disorders of the Digestive System
    Other Digestive System O.R. Procedures
    • DRG 356 - OTHER DIGESTIVE SYSTEM O.R. PROCEDURES WITH MCC
    • DRG 357 - OTHER DIGESTIVE SYSTEM O.R. PROCEDURES WITH CC
    • DRG 358 - OTHER DIGESTIVE SYSTEM O.R. PROCEDURES WITHOUT CC/MCC
  • MDC 07 Diseases & Disorders of the Hepatobiliary System & Pancreas
    Other Hepatobiliary or Pancreas Procedures
    • DRG 423 - OTHER HEPATOBILIARY OR PANCREAS O.R. PROCEDURES WITH MCC
    • DRG 424 - OTHER HEPATOBILIARY OR PANCREAS O.R. PROCEDURES WITH CC
    • DRG 425 - OTHER HEPATOBILIARY OR PANCREAS O.R. PROCEDURES WITHOUT CC/MCC
  • MDC 09 Diseases & Disorders of the Skin, Subcutaneous Tissue & Breast
    Other Skin, Subcutaneous Tissue and Breast Procedures
    • DRG 579 - OTHER SKIN, SUBCUTANEOUS TISSUE AND BREAST PROCEDURES WITH MCC
    • DRG 580 - OTHER SKIN, SUBCUTANEOUS TISSUE AND BREAST PROCEDURES WITH CC
    • DRG 581 - OTHER SKIN, SUBCUTANEOUS TISSUE AND BREAST PROCEDURES WITHOUT CC/MCC
  • MDC 11 Diseases & Disorders of the Kidney & Urinary Tract
    Other Kidney and Urinary Tract Procedures
    • DRG 673 - OTHER KIDNEY AND URINARY TRACT PROCEDURES WITH MCC
    • DRG 674 - OTHER KIDNEY AND URINARY TRACT PROCEDURES WITH CC
    • DRG 675 - OTHER KIDNEY AND URINARY TRACT PROCEDURES WITHOUT CC/MCC
  • MDC 17 Myeloproliferative Diseases & Disorders, Poorly Differentiated Neoplasms
    Lymphoma and Leukemia with Major Procedure
    • DRG 820 - LYMPHOMA AND LEUKEMIA WITH MAJOR O.R. PROCEDURE WITH MCC
    • DRG 821 - LYMPHOMA AND LEUKEMIA WITH MAJOR O.R. PROCEDURE WITH CC
    • DRG 822 - LYMPHOMA AND LEUKEMIA WITH MAJOR O.R. PROCEDURE WITHOUT CC/MCC
  • MDC 17 Myeloproliferative Diseases & Disorders, Poorly Differentiated Neoplasms
    Myeloproliferative Disorders or Poorly Differentiated Neoplasms with Major Procedure
    • DRG 826 - MYELOPROLIFERATIVE DISORDERS OR POORLY DIFFERENTIATED NEOPLASMS WITH MAJOR O.R. PROCEDURE WITH MCC
    • DRG 827 - MYELOPROLIFERATIVE DISORDERS OR POORLY DIFFERENTIATED NEOPLASMS WITH MAJOR O.R. PROCEDURE WITH CC
    • DRG 828 - MYELOPROLIFERATIVE DISORDERS OR POORLY DIFFERENTIATED NEOPLASMS WITH MAJOR O.R. PROCEDURE WITHOUT CC/MCC
  • MDC 21 Injuries, Poisonings & Toxic Effects of Drugs
    Other O.R. Procedures for Injuries
    • DRG 907 - OTHER O.R. PROCEDURES FOR INJURIES WITH MCC
    • DRG 908 - OTHER O.R. PROCEDURES FOR INJURIES WITH CC
    • DRG 909 - OTHER O.R. PROCEDURES FOR INJURIES WITHOUT CC/MCC

ICD-10-PCS code structure for 0W9H4ZZ — See Table View

1: Section 0 Medical and Surgical
2: Body System W Anatomical Regions, General
3: Root Operation 9 Drainage
4: Body Part H Retroperitoneum
5: Approach 4 Percutaneous Endoscopic
6: Device Z No Device
7: Qualifier Z No Qualifier

See also

  • The ICD-10-PCS Index of common procedure terms.
  • Medical and Surgical terms in the ICD-10-PCS Definitions table. These definitions may also provide additional explanation and/or examples within this section.
  • The ICD-10-PCS Device Aggregation Table containing entries that correlate a specific ICD-10-PCS device value with a general device value to be used in tables containing only general device values.